package com.yf.course.modules.course.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.yf.course.modules.course.entity.CourseFileUnlock;

/**
* <p>
* 课件解锁业务接口类
* </p>
*
* @author 聪明笨狗
* @since 2022-04-26 17:34
*/
public interface CourseFileUnlockService extends IService<CourseFileUnlock> {

    /**
     * 解锁课件
     * @param userId
     * @param courseId
     * @param sort
     */
    String unlockFile(String userId, String courseId, Integer sort);
}
